2 * Copyright 2004,2007-2011 Freescale Semiconductor, Inc.
3 * (C) Copyright 2002, 2003 Motorola Inc.
4 * Xianghua Xiao (X.Xiao@motorola.com)
7 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
9 * See file CREDITS for list of people who contributed to this
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
32 #include <fsl_esdhc.h>
33 #include <asm/cache.h>
36 #include <asm/fsl_law.h>
37 #include <asm/fsl_lbc.h>
39 #include <asm/processor.h>
40 #include <asm/fsl_ddr_sdram.h>
42 DECLARE_GLOBAL_DATA_PTR;
52 char buf1[32], buf2[32];
53 #if defined(CONFIG_DDR_CLK_FREQ) || defined(CONFIG_FSL_CORENET)
54 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
55 #endif /* CONFIG_FSL_CORENET */
56 #ifdef CONFIG_DDR_CLK_FREQ
57 u32 ddr_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO)
58 >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT;
60 #ifdef CONFIG_FSL_CORENET
61 u32 ddr_sync = ((gur->rcwsr[5]) & FSL_CORENET_RCWSR5_DDR_SYNC)
62 >> FSL_CORENET_RCWSR5_DDR_SYNC_SHIFT;
65 #endif /* CONFIG_FSL_CORENET */
66 #endif /* CONFIG_DDR_CLK_FREQ */
72 major &= 0x7; /* the msb of this nibble is a mfg code */
76 if (cpu_numcores() > 1) {
78 puts("Unicore software on multiprocessor system!!\n"
79 "To enable mutlticore build define CONFIG_MP\n");
81 volatile ccsr_pic_t *pic = (void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR);
82 printf("CPU%d: ", pic->whoami);
90 if (IS_E_PROCESSOR(svr))
93 printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
102 if (PVR_FAM(PVR_85xx)) {
103 switch(PVR_MEM(pvr)) {
122 printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
124 get_sys_info(&sysinfo);
126 puts("Clock Configuration:");
127 for (i = 0; i < cpu_numcores(); i++) {
130 printf("CPU%d:%-4s MHz, ",
131 i,strmhz(buf1, sysinfo.freqProcessor[i]));
133 printf("\n CCB:%-4s MHz,\n", strmhz(buf1, sysinfo.freqSystemBus));
135 #ifdef CONFIG_FSL_CORENET
137 printf(" DDR:%-4s MHz (%s MT/s data rate) "
139 strmhz(buf1, sysinfo.freqDDRBus/2),
140 strmhz(buf2, sysinfo.freqDDRBus));
142 printf(" DDR:%-4s MHz (%s MT/s data rate) "
144 strmhz(buf1, sysinfo.freqDDRBus/2),
145 strmhz(buf2, sysinfo.freqDDRBus));
150 printf(" DDR:%-4s MHz (%s MT/s data rate), ",
151 strmhz(buf1, sysinfo.freqDDRBus/2),
152 strmhz(buf2, sysinfo.freqDDRBus));
155 printf(" DDR:%-4s MHz (%s MT/s data rate) "
157 strmhz(buf1, sysinfo.freqDDRBus/2),
158 strmhz(buf2, sysinfo.freqDDRBus));
161 printf(" DDR:%-4s MHz (%s MT/s data rate) "
163 strmhz(buf1, sysinfo.freqDDRBus/2),
164 strmhz(buf2, sysinfo.freqDDRBus));
169 #if defined(CONFIG_FSL_LBC)
170 if (sysinfo.freqLocalBus > LCRR_CLKDIV) {
171 printf("LBC:%-4s MHz\n", strmhz(buf1, sysinfo.freqLocalBus));
173 printf("LBC: unknown (LCRR[CLKDIV] = 0x%02lx)\n",
174 sysinfo.freqLocalBus);
179 printf("CPM: %s MHz\n", strmhz(buf1, sysinfo.freqSystemBus));
183 printf(" QE:%-4s MHz\n", strmhz(buf1, sysinfo.freqQE));
186 #ifdef CONFIG_SYS_DPAA_FMAN
187 for (i = 0; i < CONFIG_SYS_NUM_FMAN; i++) {
188 printf(" FMAN%d: %s MHz\n", i + 1,
189 strmhz(buf1, sysinfo.freqFMan[i]));
193 #ifdef CONFIG_SYS_DPAA_PME
194 printf(" PME: %s MHz\n", strmhz(buf1, sysinfo.freqPME));
197 puts("L1: D-cache 32 kB enabled\n I-cache 32 kB enabled\n");
203 /* ------------------------------------------------------------------------- */
205 int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
207 /* Everything after the first generation of PQ3 parts has RSTCR */
208 #if defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \
209 defined(CONFIG_MPC8555) || defined(CONFIG_MPC8560)
210 unsigned long val, msr;
213 * Initiate hard reset in debug control register DBCR0
214 * Make sure MSR[DE] = 1. This only resets the core.
224 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
225 out_be32(&gur->rstcr, 0x2); /* HRESET_REQ */
234 * Get timebase clock frequency
236 unsigned long get_tbclk (void)
238 #ifdef CONFIG_FSL_CORENET
239 return (gd->bus_clk + 8) / 16;
241 return (gd->bus_clk + 4UL)/8UL;
246 #if defined(CONFIG_WATCHDOG)
250 int re_enable = disable_interrupts();
251 reset_85xx_watchdog();
252 if (re_enable) enable_interrupts();
256 reset_85xx_watchdog(void)
259 * Clear TSR(WIS) bit by writing 1
262 val = mfspr(SPRN_TSR);
264 mtspr(SPRN_TSR, val);
266 #endif /* CONFIG_WATCHDOG */
269 * Initializes on-chip MMC controllers.
270 * to override, implement board_mmc_init()
272 int cpu_mmc_init(bd_t *bis)
274 #ifdef CONFIG_FSL_ESDHC
275 return fsl_esdhc_mmc_init(bis);
282 * Print out the state of various machine registers.
283 * Currently prints out LAWs, BR0/OR0, and TLBs
285 void mpc85xx_reginfo(void)
289 #if defined(CONFIG_FSL_LBC)
295 /* Common ddr init for non-corenet fsl 85xx platforms */
296 #ifndef CONFIG_FSL_CORENET
297 phys_size_t initdram(int board_type)
299 phys_size_t dram_size = 0;
301 #if defined(CONFIG_SYS_FSL_ERRATUM_DDR_MSYNC_IN)
303 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
308 * Work around to stabilize DDR DLL
310 out_be32(&gur->ddrdllcr, 0x81000000);
311 asm("sync;isync;msync");
313 while (in_be32(&gur->ddrdllcr) != 0x81000100) {
314 setbits_be32(&gur->devdisr, 0x00010000);
315 for (i = 0; i < x; i++)
317 clrbits_be32(&gur->devdisr, 0x00010000);
323 #if defined(CONFIG_SPD_EEPROM) || defined(CONFIG_DDR_SPD)
324 dram_size = fsl_ddr_sdram();
326 dram_size = fixed_sdram();
328 dram_size = setup_ddr_tlbs(dram_size / 0x100000);
329 dram_size *= 0x100000;
331 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
333 * Initialize and enable DDR ECC.
335 ddr_enable_ecc(dram_size);
338 #if defined(CONFIG_FSL_LBC)
339 /* Some boards also have sdram on the lbc */
348 #if CONFIG_POST & CONFIG_SYS_POST_MEMORY
350 /* Board-specific functions defined in each board's ddr.c */
351 void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
352 unsigned int ctrl_num);
353 void read_tlbcam_entry(int idx, u32 *valid, u32 *tsize, unsigned long *epn,
356 setup_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg);
358 static void dump_spd_ddr_reg(void)
363 ccsr_ddr_t *ddr[CONFIG_NUM_DDR_CONTROLLERS];
365 spd[CONFIG_NUM_DDR_CONTROLLERS][CONFIG_DIMM_SLOTS_PER_CTLR];
367 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++)
368 fsl_ddr_get_spd(spd[i], i);
370 puts("SPD data of all dimms (zero vaule is omitted)...\n");
373 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
374 for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++)
375 printf("Dimm%d ", k++);
378 for (k = 0; k < sizeof(generic_spd_eeprom_t); k++) {
380 printf("%3d (0x%02x) ", k, k);
381 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
382 for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) {
383 p_8 = (u8 *) &spd[i][j];
385 printf("0x%02x ", p_8[k]);
397 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
400 ddr[i] = (void *)CONFIG_SYS_MPC85xx_DDR_ADDR;
402 #ifdef CONFIG_SYS_MPC85xx_DDR2_ADDR
404 ddr[i] = (void *)CONFIG_SYS_MPC85xx_DDR2_ADDR;
408 printf("%s unexpected controller number = %u\n",
413 printf("DDR registers dump for all controllers "
414 "(zero vaule is omitted)...\n");
415 puts("Offset (hex) ");
416 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++)
417 printf(" Base + 0x%04x", (u32)ddr[i] & 0xFFFF);
419 for (k = 0; k < sizeof(ccsr_ddr_t)/4; k++) {
421 printf("%6d (0x%04x)", k * 4, k * 4);
422 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
423 p_32 = (u32 *) ddr[i];
425 printf(" 0x%08x", p_32[k]);
438 /* invalid the TLBs for DDR and setup new ones to cover p_addr */
439 static int reset_tlb(phys_addr_t p_addr, u32 size, phys_addr_t *phys_offset)
441 u32 vstart = CONFIG_SYS_DDR_SDRAM_BASE;
443 u32 tsize, valid, ptr;
449 while (ptr < (vstart + size)) {
450 ddr_esel = find_tlb_idx((void *)ptr, 1);
451 if (ddr_esel != -1) {
452 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, &rpn);
453 disable_tlb(ddr_esel);
455 ptr += TSIZE_TO_BYTES(tsize);
458 /* Setup new tlb to cover the physical address */
459 setup_ddr_tlbs_phys(p_addr, size>>20);
462 ddr_esel = find_tlb_idx((void *)ptr, 1);
463 if (ddr_esel != -1) {
464 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, phys_offset);
466 printf("TLB error in function %s\n", __func__);
474 * slide the testing window up to test another area
475 * for 32_bit system, the maximum testable memory is limited to
476 * CONFIG_MAX_MEM_MAPPED
478 int arch_memory_test_advance(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
480 phys_addr_t test_cap, p_addr;
481 phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED);
483 #if !defined(CONFIG_PHYS_64BIT) || \
484 !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \
485 (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull)
488 test_cap = gd->ram_size;
490 p_addr = (*vstart) + (*size) + (*phys_offset);
491 if (p_addr < test_cap - 1) {
492 p_size = min(test_cap - p_addr, CONFIG_MAX_MEM_MAPPED);
493 if (reset_tlb(p_addr, p_size, phys_offset) == -1)
495 *vstart = CONFIG_SYS_DDR_SDRAM_BASE;
496 *size = (u32) p_size;
497 printf("Testing 0x%08llx - 0x%08llx\n",
498 (u64)(*vstart) + (*phys_offset),
499 (u64)(*vstart) + (*phys_offset) + (*size) - 1);
506 /* initialization for testing area */
507 int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
509 phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED);
511 *vstart = CONFIG_SYS_DDR_SDRAM_BASE;
512 *size = (u32) p_size; /* CONFIG_MAX_MEM_MAPPED < 4G */
515 #if !defined(CONFIG_PHYS_64BIT) || \
516 !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \
517 (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull)
518 if (gd->ram_size > CONFIG_MAX_MEM_MAPPED) {
519 puts("Cannot test more than ");
520 print_size(CONFIG_MAX_MEM_MAPPED,
521 " without proper 36BIT support.\n");
524 printf("Testing 0x%08llx - 0x%08llx\n",
525 (u64)(*vstart) + (*phys_offset),
526 (u64)(*vstart) + (*phys_offset) + (*size) - 1);
531 /* invalid TLBs for DDR and remap as normal after testing */
532 int arch_memory_test_cleanup(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
535 u32 tsize, valid, ptr;
539 /* disable the TLBs for this testing */
542 while (ptr < (*vstart) + (*size)) {
543 ddr_esel = find_tlb_idx((void *)ptr, 1);
544 if (ddr_esel != -1) {
545 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, &rpn);
546 disable_tlb(ddr_esel);
548 ptr += TSIZE_TO_BYTES(tsize);
552 setup_ddr_tlbs(gd->ram_size>>20);
558 void arch_memory_failure_handle(void)